| # | Institution | Articles | Citations | R ARank | R CRank |
|---|
| 1 | University of Texas at Austin | 110 | 5,058 | 220 | 299 |
| 2 | Jackson School of Geosciences | 39 | 2,318 | 11 | 10 |
| 3 | China University of Petroleum | 49 | 1,973 | 122 | 72 |
| 4 | University of Oklahoma | 29 | 1,784 | 174 | 136 |
| 5 | Stanford University | 51 | 1,626 | 632 | 1.1K |
| 6 | China University of Geosciences | 32 | 1,162 | 191 | 145 |
| 7 | University of Bergen | 18 | 781 | 485 | 468 |
| 8 | Colorado School of Mines | 22 | 779 | 111 | 122 |
| 9 | Indiana University | 11 | 724 | 1.4K | 779 |
| 10 | State University of New York | 1 | 676 | 6.7K | 832 |
| 11 | Chinese Academy of Sciences | 15 | 638 | 3.0K | 2.0K |
| 12 | University of Newcastle | 2 | 565 | 3.6K | 635 |
| 13 | University of Houston | 9 | 541 | 996 | 527 |
| 13 | New York State Museum | 1 | 541 | 90 | 4 |
| 15 | California Institute of Technology | 7 | 536 | 1.2K | 850 |
| 16 | Geological Survey of Canada | 21 | 502 | 62 | 86 |
| 17 | University of Miami | 8 | 494 | 1.4K | 872 |
| 18 | Memorial University of Newfoundland | 7 | 490 | 746 | 321 |
| 19 | Federal University of Rio Grande do Sul | 1 | 462 | 5.0K | 429 |
| 19 | King Fahd University of Petroleum and Minerals | 1 | 462 | 1.5K | 140 |
| 21 | Cardiff University | 3 | 454 | 3.0K | 875 |
| 22 | University of Adelaide | 7 | 448 | 1.9K | 1.1K |
| 23 | University of Calgary | 11 | 445 | 1.7K | 1.3K |
| 24 | University of Colorado | 28 | 441 | 489 | 1.3K |
| 25 | Pennsylvania State University | 14 | 424 | 2.1K | 2.1K |
| 26 | University of Toronto | 4 | 416 | 7.1K | 3.2K |
| 27 | Durham University | 9 | 388 | 916 | 637 |
| 28 | Nanjing University | 7 | 358 | 1.4K | 788 |
| 29 | Newcastle University | 2 | 350 | 4.0K | 1.1K |
| 30 | Imperial College London | 14 | 337 | 1.9K | 2.3K |
| 30 | University of Alberta | 16 | 337 | 1.8K | 2.3K |
| 32 | Anadarko Petroleum | 3 | 334 | 10 | 1 |
| 33 | Equinor ASA | 15 | 331 | 9 | 12 |
| 34 | University of Kansas | 15 | 316 | 838 | 1.2K |
| 35 | Florida International University | 2 | 312 | 2.3K | 535 |
| 36 | Cornell University | 22 | 308 | 1.2K | 2.4K |
| 37 | Southwest Research Institute | 8 | 304 | 98 | 83 |
| 38 | Northeast Petroleum University | 5 | 282 | 141 | 42 |
| 39 | University of Texas at Arlington | 10 | 280 | 330 | 391 |
| 40 | University of California | 13 | 274 | 7.0K | 6.9K |
| 41 | University of Wyoming | 17 | 273 | 211 | 507 |
| 42 | University of Utah | 13 | 265 | 1.4K | 1.9K |
| 43 | Lanzhou University | 3 | 263 | 1.5K | 585 |
| 44 | Northwest University | 11 | 259 | 300 | 260 |
| 45 | United States Geological Survey | 14 | 257 | 184 | 334 |
| 45 | University of Barcelona | 5 | 257 | 2.7K | 1.6K |
| 47 | Rosenstiel School of Marine and Atmospheric Science | 2 | 252 | 83 | 50 |
| 48 | University of Oslo | 10 | 247 | 1.6K | 1.9K |
| 49 | University of Manchester | 9 | 229 | 2.6K | 2.7K |
| 50 | University of Leeds | 10 | 210 | 1.8K | 2.2K |
| 51 | University of Michigan | 3 | 206 | 7.3K | 4.3K |
| 51 | University of Aberdeen | 12 | 206 | 767 | 1.4K |
| 53 | Sinopec | 6 | 202 | 85 | 53 |
| 54 | University of Vienna | 3 | 199 | 3.3K | 1.8K |
| 55 | ConocoPhillips | 10 | 186 | 12 | 23 |
| 56 | Saudi Aramco | 8 | 179 | 18 | 21 |
| 57 | Amherst College | 1 | 178 | 475 | 106 |
| 58 | University of Nevada, Reno | 5 | 173 | 1.4K | 1.1K |
| 59 | University of Wisconsin–Madison | 10 | 171 | 3.3K | 4.2K |
| 60 | Missouri University of Science and Technology | 4 | 169 | 604 | 411 |
| 60 | Montana Technological University | 2 | 169 | 61 | 20 |
| 62 | University of Rennes 1 | 3 | 163 | 922 | 566 |
| 62 | Royal Holloway University of London | 6 | 163 | 159 | 272 |
| 64 | Université de Perpignan | 1 | 162 | 414 | 126 |
| 65 | Virginia Tech | 11 | 161 | 1.3K | 2.1K |
| 66 | BP | 10 | 160 | 19 | 52 |
| 67 | Hess Corporation | 6 | 157 | 8 | 8 |
| 68 | RWTH Aachen University | 7 | 154 | 1.4K | 1.6K |
| 69 | University of Otago | 1 | 153 | 4.6K | 1.6K |
| 70 | Brevard College | 1 | 149 | 10 | 5 |
| 71 | University of Cambridge | 5 | 148 | 4.5K | 4.0K |
| 71 | Russian Academy of Sciences | 3 | 148 | 3.9K | 2.0K |
| 73 | Harvard University | 9 | 136 | 2.2K | 3.5K |
| 73 | Uppsala University | 4 | 136 | 3.3K | 2.8K |
| 75 | Johns Hopkins University | 3 | 132 | 4.7K | 3.4K |
| 76 | Trinity University | 4 | 129 | 118 | 100 |
| 77 | University of Alabama | 10 | 122 | 928 | 1.9K |
| 78 | University of Minnesota | 3 | 119 | 6.7K | 5.0K |
| 78 | University of Liverpool | 5 | 119 | 2.7K | 2.7K |
| 80 | Clausthal University of Technology | 3 | 115 | 396 | 268 |
| 80 | Colorado Mesa University | 1 | 115 | 77 | 31 |
| 82 | Louisiana State University | 14 | 113 | 756 | 2.2K |
| 83 | Central Connecticut State University | 2 | 106 | 149 | 58 |
| 84 | University of Stavanger | 5 | 101 | 212 | 310 |
| 84 | Delft University of Technology | 3 | 101 | 2.3K | 1.9K |
| 84 | University of Texas at El Paso | 4 | 101 | 525 | 590 |
| 87 | Binghamton University | 1 | 98 | 1.7K | 658 |
| 87 | University of Chinese Academy of Sciences | 1 | 98 | 3.2K | 1.4K |
| 89 | University of Bremen | 1 | 96 | 2.6K | 1.1K |
| 89 | University of Portsmouth | 1 | 96 | 2.1K | 771 |
| 89 | University of Regina | 4 | 96 | 460 | 509 |
| 92 | University of Wisconsin–Green Bay | 2 | 95 | 94 | 42 |
| 92 | Sonangol Group | 1 | 95 | 1 | 1 |
| 92 | Cobalt International Energy | 1 | 95 | 1 | 1 |
| 95 | Stockholm University | 1 | 93 | 4.3K | 2.1K |
| 96 | University of British Columbia | 3 | 91 | 6.6K | 5.4K |
| 97 | ETH Zürich | 4 | 90 | 2.5K | 2.9K |
| 98 | University of Southampton | 4 | 89 | 3.1K | 3.2K |
| 99 | Vrije Universiteit Amsterdam | 2 | 87 | 3.5K | 2.6K |
| 100 | Chevron Corporation | 4 | 85 | 16 | 33 |
| 100 | China National Petroleum Corporation | 5 | 85 | 83 | 86 |
| 102 | University of London | 3 | 83 | 4.6K | 3.9K |
| 102 | National and Kapodistrian University of Athens | 2 | 83 | 3.9K | 2.5K |
| 102 | New Mexico State University | 4 | 83 | 775 | 903 |
| 105 | Abubakar Tafawa Balewa University | 1 | 82 | 120 | 14 |
| 105 | Nasarawa State University | 1 | 82 | 55 | 7 |
| 107 | National University of San Juan | 1 | 80 | 209 | 65 |
| 108 | Wichita State University | 3 | 77 | 466 | 478 |
| 108 | XTO Energy | 1 | 77 | 2 | 1 |
| 108 | University of São Paulo | 4 | 77 | 5.5K | 4.5K |
| 111 | University of New Hampshire | 3 | 76 | 1.2K | 1.2K |
| 111 | University of Texas at Dallas | 3 | 76 | 1.3K | 1.4K |
| 113 | ExxonMobil | 2 | 75 | 15 | 22 |
| 113 | Colorado State University | 7 | 75 | 1.5K | 2.7K |
| 115 | Marathon Oil | 3 | 74 | 3 | 7 |
| 116 | University of Edinburgh | 9 | 73 | 2.3K | 4.3K |
| 116 | Rutgers University | 3 | 73 | 4.5K | 4.2K |
| 118 | Technical University of Denmark | 3 | 72 | 2.1K | 2.2K |
| 119 | Moscow State University | 4 | 71 | 2.0K | 1.7K |
| 120 | Washington State University | 3 | 70 | 2.8K | 2.8K |
| 120 | Western Colorado University | 3 | 70 | 9 | 27 |
| 122 | University of Oxford | 6 | 69 | 4.3K | 5.8K |
| 123 | University of Reading | 2 | 68 | 2.6K | 2.1K |
| 124 | University of Copenhagen | 3 | 67 | 4.7K | 4.5K |
| 124 | University Centre in Svalbard | 1 | 67 | 105 | 76 |
| 124 | Uni Research | 1 | 67 | 91 | 73 |
| 127 | Oklahoma State University | 8 | 66 | 788 | 2.0K |
| 128 | Jilin University | 1 | 65 | 3.5K | 1.9K |
| 128 | University of Patras | 2 | 65 | 2.0K | 1.5K |
| 130 | Saint Mary's University | 6 | 64 | 115 | 334 |
| 130 | Geological Survey of Denmark and Greenland | 4 | 64 | 92 | 151 |
| 130 | Yangtze University | 1 | 64 | 853 | 337 |
| 133 | University of Wales | 1 | 63 | 2.4K | 1.5K |
| 133 | Heriot-Watt University | 8 | 63 | 423 | 1.2K |
| 133 | Institute for Energy Research | 4 | 63 | 1 | 5 |
| 136 | Massachusetts Institute of Technology | 4 | 62 | 3.0K | 4.0K |
| 136 | Iowa State University | 2 | 62 | 4.0K | 3.3K |
| 138 | University of Nevada, Las Vegas | 2 | 61 | 653 | 609 |
| 139 | Deakin University | 1 | 60 | 4.2K | 2.5K |
| 140 | University of Windsor | 4 | 58 | 847 | 1.2K |
| 141 | Natural Resources Canada | 6 | 56 | 257 | 515 |
| 141 | Woodside Petroleum | 1 | 56 | 6 | 6 |
| 143 | McGill University | 4 | 55 | 4.9K | 5.7K |
| 143 | Universidade Federal Fluminense | 3 | 55 | 1.5K | 950 |
| 143 | Rice University | 10 | 55 | 607 | 2.1K |
| 143 | Unocal Corporation | 5 | 55 | 11 | 30 |
| 147 | University of Milan | 3 | 54 | 3.8K | 3.8K |
| 147 | University College London | 3 | 54 | 5.4K | 5.5K |
| 147 | University of Arkansas | 2 | 54 | 2.3K | 1.9K |
| 147 | Curtin University | 6 | 54 | 1.3K | 2.7K |
| 147 | University of California, Santa Cruz | 1 | 54 | 1.1K | 845 |
| 152 | University of Colorado Boulder | 2 | 53 | 2.1K | 2.2K |
| 152 | TNK-BP | 1 | 53 | 1 | 2 |
| 152 | State University of New York at Oswego | 1 | 53 | 184 | 113 |
| 152 | Norwegian Computing Center | 3 | 53 | 27 | 76 |
| 156 | Pukyong National University | 2 | 52 | 948 | 783 |
| 156 | Norsk Hydro | 3 | 52 | 17 | 58 |
| 156 | University of Waikato | 3 | 52 | 833 | 1.1K |
| 156 | University of Wisconsin–Oshkosh | 1 | 52 | 475 | 235 |
| 160 | Guizhou University | 2 | 51 | 876 | 582 |
| 160 | University of Perugia | 1 | 51 | 3.4K | 2.3K |
| 162 | Simon Fraser University | 2 | 50 | 3.1K | 2.9K |
| 162 | China National Offshore Oil Corporation | 3 | 50 | 35 | 37 |
| 164 | University of Hawaii | 1 | 49 | 2.9K | 2.1K |
| 164 | University of North Dakota | 3 | 49 | 612 | 947 |
| 164 | Netherlands Organisation for Applied Scientific Research | 3 | 49 | 194 | 465 |
| 167 | Complutense University of Madrid | 3 | 48 | 3.4K | 3.2K |
| 168 | Ohio State University | 5 | 47 | 4.9K | 6.5K |
| 168 | Western Michigan University | 3 | 47 | 727 | 970 |
| 168 | Jackson State University | 2 | 47 | 302 | 381 |
| 171 | Ruhr University Bochum | 1 | 46 | 4.0K | 2.7K |
| 172 | University of Potsdam | 1 | 45 | 2.0K | 1.4K |
| 172 | Edison International | 1 | 45 | 1 | 2 |
| 174 | Baylor University | 5 | 43 | 554 | 1.3K |
| 174 | Boise State University | 3 | 43 | 465 | 792 |
| 176 | Columbia University | 8 | 42 | 3.2K | 6.3K |
| 176 | University of Cincinnati | 2 | 42 | 3.8K | 3.7K |
| 176 | University of Ottawa | 4 | 42 | 3.1K | 4.4K |
| 176 | University of Massachusetts | 1 | 42 | 5.6K | 4.1K |
| 176 | United Arab Emirates University | 3 | 42 | 829 | 1.3K |
| 181 | Nova Southeastern University | 2 | 41 | 593 | 696 |
| 182 | Repsol | 1 | 38 | 18 | 26 |
| 182 | AGH University of Science and Technology | 2 | 38 | 1.1K | 912 |
| 182 | University of Illinois at Urbana–Champaign | 1 | 38 | 6.2K | 4.7K |
| 182 | Chungnam National University | 1 | 38 | 2.4K | 1.6K |
| 182 | University of Calabria | 1 | 38 | 2.0K | 1.5K |
| 182 | National Oil Corporation | 1 | 38 | 10 | 4 |
| 182 | Saint Francis University | 1 | 38 | 38 | 24 |
| 189 | Universiti Brunei Darussalam | 2 | 36 | 292 | 371 |
| 189 | New Mexico Institute of Mining and Technology | 4 | 36 | 197 | 438 |
| 189 | Aera Energy | 2 | 36 | 3 | 2 |
| 189 | Newfield Exploration | 1 | 36 | 4 | 4 |
| 193 | Tel Aviv University | 2 | 35 | 5.4K | 5.1K |
| 194 | French Institute of Petroleum | 2 | 34 | 145 | 201 |
| 194 | University of Nebraska–Lincoln | 5 | 34 | 1.2K | 2.6K |
| 196 | King's Buildings | 2 | 33 | 177 | 337 |
| 197 | University of Hong Kong | 2 | 31 | 5.1K | 5.2K |
| 197 | University of South Carolina | 4 | 31 | 2.5K | 4.3K |
| 199 | Princeton University | 4 | 30 | 2.2K | 3.7K |
| 199 | West Virginia University | 5 | 30 | 1.4K | 3.3K |
| 199 | National Center for Scientific Research | 2 | 30 | 7.3K | 6.9K |
| 199 | University of Arizona | 3 | 30 | 4.7K | 6.1K |
| 199 | University of Tulsa | 6 | 30 | 157 | 734 |
| 199 | Royal Holloway, University of London | 2 | 30 | 1.1K | 1.4K |
| 205 | University of Camerino | 1 | 29 | 1.2K | 1.0K |
| 205 | University of Basilicata | 1 | 29 | 550 | 515 |
| 205 | Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences | 2 | 29 | 205 | 300 |
| 205 | Mansoura University | 1 | 29 | 2.4K | 1.7K |
| 209 | Freie Universität Berlin | 1 | 28 | 4.4K | 3.6K |
| 209 | Southwest Petroleum University | 3 | 28 | 462 | 581 |
| 211 | DEA AG | 1 | 27 | 11 | 12 |
| 211 | Texas Tech University | 3 | 27 | 1.9K | 3.0K |
| 211 | Burlington Resources | 1 | 27 | 2 | 6 |
| 211 | Chengdu University of Technology | 4 | 27 | 276 | 466 |
| 215 | Lille University of Science and Technology | 1 | 26 | 669 | 764 |
| 215 | Bedford Institute of Oceanography | 4 | 26 | 146 | 308 |
| 215 | GNS Science | 2 | 26 | 184 | 259 |
| 215 | North Caspian Operating Company | 1 | 26 | 2 | 1 |
| 219 | Michigan Technological University | 4 | 25 | 641 | 1.5K |
| 219 | Northwestern University | 1 | 25 | 7.0K | 6.1K |
| 219 | National Institute of Advanced Industrial Science and Technology | 1 | 25 | 1.7K | 1.4K |
| 219 | University of New Mexico | 1 | 25 | 4.7K | 4.1K |
| 219 | Concho Resources | 1 | 25 | 1 | 1 |
| 224 | Bureau of Ocean Energy Management | 1 | 24 | 1 | 2 |
| 224 | Northeastern University | 3 | 24 | 2.8K | 4.2K |
| 226 | Tongji University | 1 | 23 | 3.5K | 2.9K |
| 226 | Utah State University | 1 | 23 | 2.9K | 2.7K |
| 226 | Sandia National Laboratories | 1 | 23 | 702 | 757 |
| 229 | University of Pittsburgh | 1 | 22 | 8.0K | 6.8K |
| 229 | Macquarie University | 3 | 22 | 2.3K | 3.9K |
| 229 | University of Delaware | 2 | 22 | 3.1K | 3.9K |
| 229 | Pierre and Marie Curie University | 2 | 22 | 2.0K | 2.8K |
| 229 | University of California, Los Angeles | 2 | 22 | 4.0K | 5.2K |
| 234 | NOAA | 3 | 21 | 501 | 836 |
| 234 | Sultan Qaboos University | 1 | 21 | 1.7K | 1.6K |
| 234 | China Petrochemical Corporation | 1 | 21 | 10 | 20 |
| 234 | Taiz University | 1 | 21 | 96 | 91 |
| 234 | University of Iowa | 3 | 21 | 4.0K | 5.7K |
| 239 | Los Alamos National Laboratory | 2 | 20 | 1.5K | 2.0K |
| 239 | Kunsan National University | 2 | 20 | 360 | 485 |
| 239 | Mexican Institute of Petroleum | 2 | 20 | 213 | 322 |
| 239 | Royal Museum for Central Africa | 1 | 20 | 165 | 218 |
| 243 | Commonwealth Scientific and Industrial Research Organisation | 4 | 19 | 933 | 2.2K |
| 243 | National Scientific and Technical Research Council | 2 | 19 | 1.7K | 2.1K |
| 245 | Clemson University | 2 | 18 | 2.6K | 3.5K |
| 245 | McMaster University | 5 | 18 | 3.0K | 6.2K |
| 245 | Devon Energy | 3 | 18 | 2 | 11 |
| 245 | IHS Markit | 1 | 18 | 8 | 11 |
| 245 | University of the Balearic Islands | 1 | 18 | 1.2K | 1.2K |
| 245 | University of Montana | 2 | 18 | 937 | 1.6K |
| 245 | Oklahoma Geological Survey | 3 | 18 | 6 | 21 |
| 252 | University of Stuttgart | 1 | 17 | 2.7K | 2.6K |
| 252 | Trinity College Dublin | 2 | 17 | 2.2K | 3.5K |
| 252 | Miami University | 2 | 17 | 1.5K | 2.3K |
| 252 | Queen's University Belfast | 1 | 17 | 3.9K | 3.9K |
| 252 | China University of Mining and Technology | 1 | 17 | 1.6K | 1.5K |
| 252 | Northern Illinois University | 1 | 17 | 2.3K | 2.2K |
| 252 | University of Twente | 1 | 17 | 3.0K | 3.2K |
| 252 | Wright State University | 2 | 17 | 1.2K | 2.0K |
| 252 | Federal University of Pernambuco | 1 | 17 | 3.2K | 2.3K |
| 252 | Golder Associates | 1 | 17 | 46 | 69 |
| 252 | Hunt Oil Company | 1 | 17 | 1 | 1 |
| 252 | Shandong University of Science and Technology | 1 | 17 | 1.2K | 1.1K |
| 264 | University of Leoben | 2 | 16 | 168 | 313 |
| 264 | Ben-Gurion University of the Negev | 1 | 16 | 4.6K | 4.6K |
| 264 | Ghent University | 1 | 16 | 6.5K | 6.4K |
| 264 | Temple University | 1 | 16 | 4.4K | 4.2K |
| 264 | University of Karachi | 1 | 16 | 1.0K | 893 |
| 264 | University of Greenwich | 1 | 16 | 1.3K | 1.6K |
| 264 | Ain Shams University | 1 | 16 | 3.0K | 2.6K |
| 264 | Pakistan Petroleum | 1 | 16 | 2 | 4 |
| 264 | King's College | 1 | 16 | 2.5K | 2.7K |
| 273 | Monash University | 1 | 15 | 8.0K | 7.6K |
| 273 | Polish Academy of Sciences | 2 | 15 | 3.5K | 4.3K |
| 273 | National University of Singapore | 1 | 15 | 7.7K | 7.2K |
| 273 | Industrial University of Santander | 2 | 15 | 379 | 521 |
| 273 | National University of Colombia | 1 | 15 | 2.4K | 2.0K |
| 273 | University of Leicester | 1 | 15 | 4.4K | 4.6K |
| 273 | BP Canada Energy Group ULC | 1 | 15 | 1 | 3 |
| 273 | Aker BP | 1 | 15 | 16 | 15 |
| 273 | China University of Petroleum Beijing | 2 | 15 | 30 | 73 |
| 282 | University of Tokyo | 2 | 14 | 6.9K | 7.8K |
| 282 | University of Florida | 2 | 14 | 7.6K | 9.0K |
| 282 | University of Alaska Fairbanks | 3 | 14 | 461 | 1.2K |
| 282 | Geoscience Australia | 1 | 14 | 132 | 185 |
| 282 | University of Kentucky | 3 | 14 | 3.8K | 6.2K |
| 287 | Yale University | 1 | 13 | 6.6K | 6.7K |
| 287 | Baker Hughes | 1 | 13 | 36 | 67 |
| 287 | California State University | 8 | 13 | 1.2K | 5.1K |
| 287 | Shell Canada | 1 | 13 | 16 | 29 |
| 287 | Universidad Nacional del Sur | 1 | 13 | 764 | 765 |
| 292 | University of Bologna | 1 | 12 | 6.8K | 6.8K |
| 292 | University of Melbourne | 3 | 12 | 5.9K | 8.9K |
| 292 | Auburn University | 1 | 12 | 4.0K | 4.2K |
| 292 | Donetsk National Technical University | 1 | 12 | 100 | 47 |
| 292 | Kansas Geological Survey | 2 | 12 | 34 | 70 |
| 292 | Utah Geological Survey | 3 | 12 | 9 | 43 |
| 292 | Scottish Universities Environmental Research Centre | 1 | 12 | 181 | 250 |
| 292 | University of California, Berkeley | 4 | 12 | 2.3K | 5.5K |
| 300 | Flinders University | 1 | 11 | 3.2K | 3.8K |
| 300 | Syracuse University | 2 | 11 | 2.4K | 3.8K |
| 300 | Tohoku University | 2 | 11 | 4.0K | 5.1K |
| 300 | Texas Christian University | 4 | 11 | 374 | 1.4K |
| 300 | University of Toledo | 1 | 11 | 2.4K | 2.9K |
| 300 | Geophysical Institute | 3 | 11 | 99 | 233 |
| 300 | Geological Survey of Israel | 2 | 11 | 127 | 252 |
| 300 | Vietnam Petroleum Institute | 1 | 11 | 11 | 26 |
| 308 | Azerbaijan National Academy of Sciences | 1 | 10 | 213 | 176 |
| 308 | Babeș-Bolyai University | 1 | 10 | 1.3K | 1.5K |
| 308 | University of Bern | 2 | 10 | 3.7K | 5.5K |
| 308 | Le Mans University | 1 | 10 | 458 | 600 |
| 308 | Carthage University | 1 | 10 | 896 | 1.1K |
| 308 | King Abdullah University of Science and Technology | 1 | 10 | 1.4K | 1.7K |
| 308 | Southern Illinois University Carbondale | 1 | 10 | 3.2K | 3.5K |
| 308 | University of Saskatchewan | 1 | 10 | 4.8K | 5.4K |
| 308 | OMV Petrom | 1 | 10 | 9 | 11 |
| 308 | University of Parma | 2 | 10 | 2.0K | 3.5K |
| 308 | University of Mosul | 1 | 10 | 443 | 429 |
| 308 | Tunis El Manar University | 1 | 10 | 1.2K | 1.3K |
| 308 | Bu-Ali Sina University | 1 | 10 | 892 | 1.1K |
| 308 | Frontera Energy | 1 | 10 | 2 | 4 |
| 308 | University of Tikrit | 1 | 10 | 208 | 201 |
| 308 | Japan Oil, Gas and Metals National Corporation | 1 | 10 | 52 | 78 |
| 324 | University of Sydney | 2 | 9 | 7.3K | 9.7K |
| 324 | Case Western Reserve University | 3 | 9 | 3.3K | 6.1K |
| 324 | Suncor Energy | 1 | 9 | 24 | 49 |
| 324 | Idaho State University | 4 | 9 | 234 | 1.4K |
| 324 | Occidental Petroleum | 1 | 9 | 32 | 48 |
| 329 | Peking University | 1 | 8 | 5.5K | 6.0K |
| 329 | Istanbul University | 1 | 8 | 3.5K | 3.9K |
| 329 | Ferdowsi University of Mashhad | 1 | 8 | 2.1K | 2.5K |
| 329 | Austin Peay State University | 1 | 8 | 169 | 239 |
| 329 | Nagoya University | 1 | 8 | 4.5K | 4.9K |
| 329 | Kutztown University of Pennsylvania | 1 | 8 | 70 | 100 |
| 329 | Woods Hole Oceanographic Institution | 2 | 8 | 470 | 906 |
| 329 | University of Idaho | 1 | 8 | 2.1K | 2.7K |
| 329 | University of Provence - Aix-Marseille I | 1 | 8 | 60 | 186 |
| 329 | Wintershall Dea | 1 | 8 | 3 | 7 |
| 339 | University of Texas at San Antonio | 1 | 7 | 2.4K | 3.4K |
| 339 | University of Bucharest | 1 | 7 | 1.4K | 1.6K |
| 339 | Aarhus University | 1 | 7 | 6.1K | 7.1K |
| 339 | Petroleum Development Oman | 1 | 7 | 13 | 27 |
| 339 | Smithsonian Tropical Research Institute | 1 | 7 | 390 | 591 |
| 339 | Lawrence University | 1 | 7 | 180 | 291 |
| 339 | University of Memphis | 1 | 7 | 2.5K | 3.3K |
| 339 | University of Oviedo | 1 | 7 | 2.8K | 3.5K |
| 339 | Central South University | 1 | 7 | 4.2K | 4.7K |
| 339 | Horizon House | 1 | 7 | 17 | 43 |
| 349 | Lamont–Doherty Earth Observatory | 2 | 6 | 110 | 264 |
| 349 | Brown University | 2 | 6 | 3.6K | 5.9K |
| 349 | University of Glasgow | 1 | 6 | 6.4K | 7.5K |
| 349 | Purdue University | 3 | 6 | 4.7K | 8.4K |
| 349 | Universidad de Sonora | 1 | 6 | 664 | 831 |
| 349 | University of Haifa | 1 | 6 | 3.0K | 3.8K |
| 349 | Leibniz University Hannover | 1 | 6 | 1.4K | 2.3K |
| 349 | Ohio University | 1 | 6 | 2.5K | 3.4K |
| 349 | Petroleum Geo-Services | 1 | 6 | 4 | 10 |
| 349 | Galp Energia | 1 | 6 | 3 | 6 |
| 349 | Mobil | 1 | 6 | 32 | 70 |
| 349 | Whiting Petroleum Corporation | 1 | 6 | 1 | 3 |
| 361 | Utrecht University | 1 | 5 | 6.2K | 7.7K |
| 361 | Scripps Institution of Oceanography | 3 | 5 | 233 | 677 |
| 361 | University at Buffalo | 1 | 5 | 5.8K | 7.0K |
| 361 | City University of New York | 1 | 5 | 5.1K | 6.1K |
| 361 | University of Papua New Guinea | 1 | 5 | 141 | 283 |
| 361 | Ball State University | 1 | 5 | 1.4K | 1.9K |
| 361 | Lawrence Berkeley National Laboratory | 2 | 5 | 1.2K | 2.3K |
| 361 | TGS-NOPEC Geophysical Company | 1 | 5 | 16 | 25 |
| 361 | Athena Technologies | 1 | 5 | 1 | 1 |
| 361 | Brandon University | 1 | 5 | 297 | 557 |
| 371 | Australian National University | 1 | 4 | 5.6K | 7.1K |
| 371 | University of Tübingen | 2 | 4 | 3.4K | 6.0K |
| 371 | Cairo University | 2 | 4 | 3.4K | 5.7K |
| 371 | Zhejiang University | 1 | 4 | 6.1K | 7.1K |
| 371 | University of Coimbra | 1 | 4 | 3.6K | 4.8K |
| 371 | Ensenada Center for Scientific Research and Higher Education | 1 | 4 | 179 | 362 |
| 371 | Franklin & Marshall College | 1 | 4 | 314 | 597 |
| 371 | University of Queensland | 1 | 4 | 8.7K | 10.3K |
| 371 | University of Strathclyde | 1 | 4 | 3.8K | 5.2K |
| 371 | Aix-Marseille University | 1 | 4 | 3.0K | 4.2K |
| 371 | Oil India | 1 | 4 | 12 | 30 |
| 371 | Texas Wesleyan University | 1 | 4 | 37 | 99 |
| 371 | University of Caldas | 1 | 4 | 285 | 391 |
| 371 | Bechtel | 1 | 4 | 34 | 71 |
| 371 | Schlumberger | 1 | 4 | 18 | 53 |
| 371 | Purdue University system | 1 | 4 | 12 | 47 |
| 387 | University of Fribourg | 1 | 3 | 1.6K | 2.6K |
| 387 | Autonomous University of Barcelona | 1 | 3 | 5.0K | 6.6K |
| 387 | Tufts University | 1 | 3 | 3.6K | 5.2K |
| 387 | Duke University | 1 | 3 | 6.1K | 7.9K |
| 387 | Petrobras | 1 | 3 | 47 | 147 |
| 387 | University of Burgundy | 1 | 3 | 1.5K | 2.5K |
| 387 | Emory University | 1 | 3 | 5.2K | 6.8K |
| 387 | Indiana University Bloomington | 2 | 3 | 977 | 2.9K |
| 387 | Old Dominion University | 1 | 3 | 2.2K | 3.5K |
| 387 | Kentucky Geological Survey | 1 | 3 | 14 | 41 |
| 387 | Yachay University for Experimental Technology and Research | 1 | 3 | 64 | 163 |
| 398 | Vanderbilt University | 1 | 2 | 5.2K | 7.2K |
| 398 | University of Erlangen-Nuremberg | 1 | 2 | 2.3K | 3.7K |
| 398 | University of Rochester | 1 | 2 | 4.7K | 6.5K |
| 398 | Brigham Young University | 5 | 2 | 1.1K | 5.0K |
| 398 | Istanbul Technical University | 1 | 2 | 2.1K | 3.0K |
| 398 | BG Group | 1 | 2 | 12 | 32 |
| 398 | Chulalongkorn University | 1 | 2 | 3.1K | 4.8K |
| 398 | Oregon State University | 6 | 2 | 1.6K | 6.4K |
| 398 | Colby College | 1 | 2 | 380 | 781 |
| 398 | University of Brasília | 1 | 2 | 3.4K | 4.4K |
| 398 | Southern Methodist University | 1 | 2 | 1.7K | 2.7K |
| 398 | Port Said University | 1 | 2 | 264 | 552 |
| 398 | Mississippi State University | 1 | 2 | 2.8K | 4.3K |
| 398 | Quaid-i-Azam University | 1 | 2 | 1.5K | 2.3K |
| 398 | National Nuclear Energy Commission | 1 | 2 | 185 | 400 |
| 398 | University of Toronto Scarborough | 1 | 2 | 608 | 1.3K |
| 398 | Kuwait University | 1 | 2 | 2.2K | 3.6K |
| 398 | University of Vale do Rio dos Sinos | 1 | 2 | 682 | 914 |
| 398 | National Museum Wales | 1 | 2 | 84 | 165 |
| 417 | University of Southern California | 10 | 1 | 2.2K | 10.5K |
| 417 | Nagasaki University | 1 | 1 | 2.0K | 3.0K |
| 417 | Barnard College | 1 | 1 | 462 | 901 |
| 417 | Texas Instruments | 1 | 1 | 319 | 508 |
| 417 | University of St Andrews | 1 | 1 | 2.2K | 3.8K |
| 417 | University of Birmingham | 1 | 1 | 7.2K | 9.8K |
| 417 | Western Washington University | 1 | 1 | 957 | 1.9K |
| 417 | Alfred Wegener Institute for Polar and Marine Research | 1 | 1 | 408 | 685 |
| 417 | University of Missouri | 1 | 1 | 6.6K | 9.2K |
| 417 | Arizona State University | 1 | 1 | 6.6K | 8.9K |
| 417 | University of Oregon | 1 | 1 | 3.2K | 4.9K |
| 417 | Qingdao University of Science and Technology | 1 | 1 | 869 | 1.3K |
| 417 | DePauw University | 3 | 1 | 57 | 415 |
| 417 | Ecopetrol | 1 | 1 | 7 | 19 |
| 417 | Long Island University | 1 | 1 | 619 | 1.4K |
| 417 | Hamilton College | 1 | 1 | 376 | 848 |
| 417 | Istanbul University-Cerrahpaşa | 1 | 1 | 680 | 1.4K |
| 417 | Pomona College | 3 | 1 | 183 | 1.0K |
| 417 | Western Geophysical | 1 | 1 | 3 | 9 |
| 417 | Ministry of Natural Resources of the People's Republic of China | 1 | 1 | 54 | 151 |
| 417 | Pan American Petroleum and Transport Company | 1 | 1 | 11 | 20 |
| 417 | Natural History Museum | 1 | 1 | 1.1K | 1.6K |
| 417 | Andrea Mennen Family Foundation | 1 | 1 | 1 | 1 |
| 440 | Imperial Oil | 2 | 0 | 11 | 51 |
| 440 | Texas A&M University | 1 | 0 | 841 | 2.1K |
| 440 | University of Chicago | 1 | 0 | 6.7K | 9.5K |
| 440 | Northern Arizona University | 1 | 0 | 1.6K | 3.0K |
| 440 | American Museum of Natural History | 1 | 0 | 546 | 978 |
| 440 | University of Washington | 6 | 0 | 4.8K | 13.6K |
| 440 | Michigan State University | 1 | 0 | 8.0K | 11.3K |
| 440 | National Science Foundation | 1 | 0 | 432 | 1.1K |
| 440 | Wayne State University | 1 | 0 | 5.2K | 7.9K |
| 440 | Lawrence Livermore National Laboratory | 1 | 0 | 1.5K | 2.4K |
| 440 | Husky Energy | 2 | 0 | 5 | 14 |
| 440 | National Center for Atmospheric Research | 1 | 0 | 506 | 865 |
| 440 | Colorado College | 1 | 0 | 234 | 692 |
| 440 | North Carolina State University | 1 | 0 | 5.8K | 8.4K |
| 440 | University of Mississippi | 1 | 0 | 2.1K | 3.8K |
| 440 | University of North Carolina | 1 | 0 | 6.6K | 9.6K |
| 440 | Queens College | 1 | 0 | 919 | 1.9K |
| 440 | Lamar University | 1 | 0 | 533 | 1.3K |
| 440 | Beloit College | 2 | 0 | 50 | 324 |
| 440 | Federal Power Commission | 1 | 0 | 8 | 14 |
| 440 | Indiana Geological and Water Survey | 1 | 0 | 12 | 44 |
| 440 | Richfield Oil Corporation | 1 | 0 | 4 | 6 |
| 440 | Saskatchewan Research Council | 1 | 0 | 45 | 135 |
| 440 | Shoreline Community College | 3 | 0 | 2 | 12 |
| 440 | Eastern New Mexico University | 1 | 0 | 89 | 311 |
| 440 | Atlantic Petroleum | 1 | 0 | 1 | 6 |
| 440 | California State University, Northridge | 1 | 0 | 442 | 1.2K |
| 440 | University of California, Santa Barbara | 1 | 0 | 2.3K | 4.0K |
| 440 | Humble Oil | 4 | 0 | 8 | 45 |
| 440 | Aral AG | 1 | 0 | 5 | 12 |
| 440 | National Aeronautics and Space Administration | 1 | 0 | 840 | 1.6K |
| 440 | Florida Museum of Natural History | 1 | 0 | 283 | 521 |
| 440 | Sedgwick Museum of Earth Sciences | 1 | 0 | 23 | 52 |
